公开(公告)号：US12017479B2

公开(公告)日：2024-06-25

申请号：US17269463

申请日：2019-08-19

Applicant: The Yokohama Rubber Co., LTD.

Inventor： Keisuke Murase

IPC: B60C1/00 ,  C08F36/06 ,  C08K3/36 ,  C08K5/548 ,  C08L9/06 ,  C08L91/00

CPC classification number: B60C1/0016 ,  C08F36/06 ,  C08K3/36 ,  C08K5/548 ,  C08L9/06 ,  C08L91/00 ,  C08K2201/006

Abstract: A pneumatic tire having dry grip performance, wet grip performance, low rolling resistance, and performance on snow, formed by: molding a rubber composition for a tire, the rubber composition containing: from 70 to 150 parts by mass of silica per 100 parts by mass of a diene rubber formed from two types of modified styrene butadiene rubbers and a butadiene rubber, and oil, and from 5 to 15 mass % of 3-octanoylthio-1-propyltriethoxysilane with respect to a mass of the silica, the diene rubber containing 75 mass % or greater and less than 100 mass % total of the two types of modified styrene butadiene rubbers and greater than 0 mass % and 25 mass % or less of the butadiene rubber, a total amount of oil component containing the oil being from 25 to 45 mass % of a total mass of filler containing the silica, and a glass transition temperature being −50° C. or lower.

公开(公告)号：US20240174836A1

公开(公告)日：2024-05-30

申请号：US18523555

申请日：2023-11-29

Applicant: Apollo Tyres Global R&D B.V.

Inventor： Anup MONDAL ,  Mohamed THARIK ,  Davide PRIVITERA

IPC: C08K3/36 ,  B60C1/00 ,  C08K3/04 ,  C08K3/34

CPC classification number: C08K3/36 ,  B60C1/0016 ,  C08K3/04 ,  C08K3/346 ,  C08K2201/006

Abstract: The present invention relates to a cross-linkable rubber composition, the cross-linkable rubber composition comprising, per hundred parts by weight of rubber (phr): 100 phr of a rubber component comprising a natural rubber or an isoprene rubber or a combination thereof, a white filler, and a black filler. The white filler is a mixture of a first white filler and a second white filler, wherein the first white filler has a BET surface area of 170 m2/g to 180 m2/g measured according to ASTM D6738 and/or the second white filler has a BET surface area of 5 m2/g to 10 m2/g measured according to ASTM D5604.

公开(公告)号：US20240174834A1

公开(公告)日：2024-05-30

申请号：US18281366

申请日：2022-03-22

Applicant: DIC Corporation

Inventor： Akihiro Koike ,  Yusuke Kano ,  Shingo Takada ,  Jianjun Yuan

IPC: C08K3/30 ,  C08J5/00

CPC classification number: C08K3/30 ,  C08J5/005 ,  C08J2381/04 ,  C08K2003/3009 ,  C08K2201/003 ,  C08K2201/004 ,  C08K2201/006 ,  C08K2201/016

Abstract: Provided is a particle-containing resin composition having an appropriate particle size and being capable of improving friction and wear resistance properties even under a high temperature and high load environment. The particle-containing resin composition according to the present invention includes a resin composition and molybdenum disulfide particles, in which a median diameter D50 of the molybdenum disulfide particles determined by a dynamic light scattering method is 10 nm or more and 1,000 nm or less.

公开(公告)号：US11993693B2

公开(公告)日：2024-05-28

申请号：US16976509

申请日：2019-03-22

Applicant: Dow Global Technologies LLC ,  Rohm and Haas Company

Inventor： Tian Lan ,  Xindi Yu ,  Michael Q. Tran ,  Paul J. Brigandi ,  Jeffrey M. Cogen ,  Timothy J. Person ,  Yichi Zhang

IPC: C08K3/04 ,  C08F10/02 ,  C08J3/20 ,  C08L23/06 ,  H01B1/24 ,  H01B3/22 ,  H01B7/02

CPC classification number: C08K3/04 ,  C08F10/02 ,  C08J3/201 ,  H01B3/22 ,  H01B7/0275 ,  C08F2810/20 ,  C08K2201/001 ,  C08K2201/006

Abstract: A semiconductive composite material consisting essentially of a non-polar organic polymer and an electrical conducting effective amount of an ultra-low-wettability carbon black. Also a method of making the composite material; a crosslinked polyethylene product made by curing the composite material; manufactured articles comprising a shaped form of the inventive composite material or product; and methods of using the inventive composite material, product, or articles.

公开(公告)号：US11987705B2

公开(公告)日：2024-05-21

申请号：US17804115

申请日：2022-05-26

Applicant: The Goodyear Tire & Rubber Company

Inventor： Michael Hans ,  Gary Terence Barrett ,  Steve Ludwig ,  Christian Jean-Marie Kaes ,  Anna Katharina Bier ,  Björn Springer

IPC: C08L9/06 ,  B60C1/00 ,  C08K3/04 ,  C08K3/22 ,  C08K3/36 ,  C08K5/01 ,  C08K5/548 ,  C08L93/04

CPC classification number: C08L9/06 ,  B60C1/0016 ,  C08K3/04 ,  C08K3/22 ,  C08K3/36 ,  C08K5/01 ,  C08K5/548 ,  C08L93/04 ,  B60C2200/04 ,  C08K2003/2227 ,  C08K2201/006 ,  C08L2205/02

Abstract: A rubber composition comprising 50 phr to 100 phr of a styrene butadiene rubber; 0 phr to 50 phr of at least one diene based rubber; 95 phr to 200 phr of filler comprising i) 50 phr to 100 phr of silica, ii) 40 phr to 70 phr of carbon black and iii) 5 phr to 30 phr of an inorganic metal hydroxide; 40 phr to 80 phr of plasticizer comprising a hydrocarbon resin having a softening point within a range of 80° C. and 130° C.

公开(公告)号：US20240158604A1

公开(公告)日：2024-05-16

申请号：US18281605

申请日：2022-03-16

Applicant: SHPP GLOBAL TECHNOLOGIES B.V.

Inventor： Norberto SILVI ,  Paul Scott LONG ,  Walter THOMPSON ,  Matthew NIEMEYER ,  Scott DAVIS

IPC: C08K3/04

CPC classification number: C08K3/04 ,  C08K2201/001 ,  C08K2201/006 ,  C08K2201/014

Abstract: Aspects of the disclosure relate to a composition including: from about 35 wt % to about 70 wt % of at least one polyethylene polymer; from about 25 wt % to about 55 wt % of at least one graphite filler; and from about 2 wt % to about 15 wt % of a carbon powder filler having a BET surface area of at least 50 square meters per gram (m2/g). The polyethylene polymer has a density of at least 0.94 gram per cubic centimeter (g/cm3), a melt flow rate (MFR) of at least 10 g per 10 minutes (g/10 min) measured at 190° C. and 21.6 kilogram (kg), and an Environmental Stress-Cracking Resistance (ESCR) of at least 500 hours. The composition has a volume electrical resistivity of less than 5 ohm·centimeter (ohm·cm) and a MFR of at least 4 g/10 min measured at 280° C. and 21.6 kg.

公开(公告)号：US11981790B2

公开(公告)日：2024-05-14

申请号：US17907765

申请日：2021-08-13

Applicant: TOKAI CARBON CO., LTD.

Inventor： Akihiro Sakakibara ,  Yuki Kubota ,  Keisuke Osamura

IPC: C08K3/04 ,  C09C1/50 ,  C09C1/58

CPC classification number: C08K3/04 ,  C09C1/50 ,  C09C1/58 ,  C01P2002/82 ,  C01P2002/86 ,  C01P2006/12 ,  C01P2006/19 ,  C08K2201/006

Abstract: A carbon black wherein a nitrogen adsorption specific surface area (N2SA) is 25 to 60 m2/g, a DBP absorption number is 90 to 180 cm3/100 g, a ratio of the nitrogen adsorption specific surface area (N2SA) to an iodine adsorption number (IA) (N2SA/IA) is 1.10×103 to 1.50×103 m2/g, a hydrogen content by NMR is 150 to 250 /g, and ΔD is 260 to 290 cm−1.

公开(公告)号：US20240117162A1

公开(公告)日：2024-04-11

申请号：US18274746

申请日：2022-01-14

Applicant: COMPAGNIE GENERALE DES ETABLISSEMENTS MICHELIN

Inventor： FLORENT VAULTIER ,  KEVIN ROOS ,  FABIEN BARRET

IPC: C08L15/00 ,  B60C1/00 ,  C08C19/22 ,  C08C19/24 ,  C08C19/25 ,  C08K3/04 ,  C08K3/06 ,  C08K3/22 ,  C08K3/36 ,  C08K5/01 ,  C08K5/09 ,  C08K5/44 ,  C08K5/548 ,  C08L9/06

CPC classification number: C08L15/00 ,  B60C1/0016 ,  C08C19/22 ,  C08C19/24 ,  C08C19/25 ,  C08K3/04 ,  C08K3/06 ,  C08K3/22 ,  C08K3/36 ,  C08K5/01 ,  C08K5/09 ,  C08K5/44 ,  C08K5/548 ,  C08L9/06 ,  C08K2003/2296 ,  C08K2201/006

Abstract: A resin-extended modified diene elastomer is based on a plasticizing resin and a diene elastomer having a number-average molar mass before modification Mn1 and a number-average molar mass Mn2 after modification, Mn1 and Mn2 being measured by triple detection size exclusion chromatography, the modified diene elastomer comprising branched chains corresponding to the following general formula (I)




the modified diene elastomer having an Mn2 of greater than or equal to 200 000 g/mol and has an Mn2/Mn1 ratio of strictly greater than 1.00.

公开(公告)号：US20240110066A1

公开(公告)日：2024-04-04

申请号：US18541191

申请日：2023-12-15

Applicant: Continental Carbon Co.

Inventor： Lashan Madusha Hendavitharanage De Silva ,  Raymond Soufiani ,  Eduardo Vega, JR. ,  Angel Jose Marcucci ,  Michael Brendan Rodgers

IPC: C09C1/56 ,  C08K9/04 ,  C08L9/06 ,  C09C3/08

CPC classification number: C09C1/565 ,  C08K9/04 ,  C08L9/06 ,  C09C3/08 ,  C08K2201/005 ,  C08K2201/006 ,  C08L2205/02

Abstract: A method of producing a surface modified low hysteresis carbon black or a refined surface modified low hysteresis carbon black compound includes treating a surface of a low hysteresis carbon black with about 0.1% weight by volume to about 50% weight by volume of surface modifying agent in a solvent, and heat treating the surface of the low hysteresis carbon black following the treatment of the surface with the surface modifying agent to form a surface modified low hysteresis carbon black compound, wherein the surface modifier includes at least one amine group and at least one thiol group and/or di- and/or polysulfidic linkage.

公开(公告)号：US20240101779A1

公开(公告)日：2024-03-28

申请号：US18374135

申请日：2023-09-28

Applicant: Braskem S.A.

Inventor： Mauro Alfredo Soto Oviedo ,  Cristina Saiz-Arroyo ,  Miguel Angel Rodriguez-Perez

IPC: C08J9/10 ,  C08J3/205 ,  C08K3/04

CPC classification number: C08J9/103 ,  C08J3/2056 ,  C08K3/042 ,  C08J2201/024 ,  C08J2203/04 ,  C08J2205/052 ,  C08J2323/08 ,  C08J2331/04 ,  C08K2201/006

Abstract: A polymer-based foam composition includes an ethylene-based polymer matrix, graphene particles dispersed in the matrix, at least one crosslinking agent, at least one blowing agent, and optionally, kickers, crosslinking co-agents, plasticizers or combinations thereof. The polymer-based foam composition is particularly useful for applications that require lightweight and sound insulation properties.